diff --git a/swh/web/api/views/add_forge_now.py b/swh/web/api/views/add_forge_now.py
--- a/swh/web/api/views/add_forge_now.py
+++ b/swh/web/api/views/add_forge_now.py
@@ -350,8 +350,8 @@
         response["headers"]["link-prev"] = reverse(
             "api-1-add-forge-request-list",
             query_params={
-                "page": page.previous_page_number(),
-                "per_page": per_page,
+                "page": str(page.previous_page_number()),
+                "per_page": str(per_page),
             },
             request=request,
         )
@@ -359,7 +359,10 @@
     if page.has_next():
         response["headers"]["link-next"] = reverse(
             "api-1-add-forge-request-list",
-            query_params={"page": page.next_page_number(), "per_page": per_page},
+            query_params={
+                "page": str(page.next_page_number()),
+                "per_page": str(per_page),
+            },
             request=request,
         )
 
diff --git a/swh/web/api/views/origin.py b/swh/web/api/views/origin.py
--- a/swh/web/api/views/origin.py
+++ b/swh/web/api/views/origin.py
@@ -105,7 +105,7 @@
     if next_page_token is not None:
         headers["link-next"] = reverse(
             "api-1-origins",
-            query_params={"page_token": next_page_token, "origin_count": limit},
+            query_params={"page_token": next_page_token, "origin_count": str(limit)},
             request=request,
         )
     return {"results": origins, "headers": headers}
diff --git a/swh/web/api/views/snapshot.py b/swh/web/api/views/snapshot.py
--- a/swh/web/api/views/snapshot.py
+++ b/swh/web/api/views/snapshot.py
@@ -97,8 +97,8 @@
             url_args={"snapshot_id": snapshot_id},
             query_params={
                 "branches_from": results["next_branch"],
-                "branches_count": branches_count,
-                "target_types": target_types,
+                "branches_count": str(branches_count),
+                "target_types": ",".join(target_types) if target_types else None,
             },
             request=request,
         )
diff --git a/swh/web/browse/identifiers.py b/swh/web/browse/identifiers.py
--- a/swh/web/browse/identifiers.py
+++ b/swh/web/browse/identifiers.py
@@ -15,6 +15,6 @@
 
     The url that points to it is :http:get:`/(swhid)/`.
     """
-    swhid_resolved = resolve_swhid(swhid, query_params=request.GET)
+    swhid_resolved = resolve_swhid(swhid, query_params=request.GET.dict())
     assert swhid_resolved["browse_url"]
     return redirect(swhid_resolved["browse_url"])
diff --git a/swh/web/browse/views/revision.py b/swh/web/browse/views/revision.py
--- a/swh/web/browse/views/revision.py
+++ b/swh/web/browse/views/revision.py
@@ -256,8 +256,8 @@
             "browse-revision-log",
             url_args={"sha1_git": sha1_git},
             query_params={
-                "per_page": per_page,
-                "offset": offset + per_page,
+                "per_page": str(per_page),
+                "offset": str(offset + per_page),
                 "revs_ordering": revs_ordering or None,
             },
         )
@@ -268,8 +268,8 @@
             "browse-revision-log",
             url_args={"sha1_git": sha1_git},
             query_params={
-                "per_page": per_page,
-                "offset": offset - per_page,
+                "per_page": str(per_page),
+                "offset": str(offset - per_page),
                 "revs_ordering": revs_ordering or None,
             },
         )
diff --git a/swh/web/browse/views/snapshot.py b/swh/web/browse/views/snapshot.py
--- a/swh/web/browse/views/snapshot.py
+++ b/swh/web/browse/views/snapshot.py
@@ -44,7 +44,7 @@
     browse_snapshot_url = reverse(
         "browse-snapshot-directory",
         url_args={"snapshot_id": snapshot_id},
-        query_params=request.GET,
+        query_params=request.GET.dict(),
     )
     return redirect(browse_snapshot_url)
 
diff --git a/swh/web/common/identifiers.py b/swh/web/common/identifiers.py
--- a/swh/web/common/identifiers.py
+++ b/swh/web/common/identifiers.py
@@ -8,15 +8,12 @@
 
 from typing_extensions import TypedDict
 
-from django.http import QueryDict
-
 from swh.model.exceptions import ValidationError
 from swh.model.hashutil import hash_to_bytes, hash_to_hex
 from swh.model.swhids import ObjectType, QualifiedSWHID
 from swh.web.common import archive
 from swh.web.common.exc import BadInputExc
 from swh.web.common.typing import (
-    QueryParameters,
     SnapshotContext,
     SWHIDContext,
     SWHIDInfo,
@@ -87,7 +84,7 @@
 
 
 def resolve_swhid(
-    swhid: str, query_params: Optional[QueryParameters] = None
+    swhid: str, query_params: Optional[Mapping[str, str]] = None
 ) -> ResolvedSWHID:
     """
     Try to resolve a SoftWare Heritage persistent IDentifier into an url for
@@ -109,13 +106,10 @@
     object_id = swhid_parsed.object_id
     browse_url = None
     url_args = {}
-    query_dict = QueryDict("", mutable=True)
     fragment = ""
     process_lines = object_type == ObjectType.CONTENT
 
-    if query_params and len(query_params) > 0:
-        for k in sorted(query_params.keys()):
-            query_dict[k] = str(query_params[k])
+    query_dict: Dict[str, str] = dict(query_params or {})
 
     if swhid_parsed.origin:
         origin_url = unquote(swhid_parsed.origin)
@@ -148,13 +142,13 @@
                     # when no origin or revision context, content objects need to have
                     # their path prefixed by root directory id for breadcrumbs display
                     query_dict["path"] = hash_to_hex(directory) + query_dict["path"]
-                else:
+                elif query_dict["path"] is not None:
                     # remove leading slash from SWHID content path
-                    query_dict["path"] = str(query_dict["path"]).lstrip("/")
-            elif object_type == ObjectType.DIRECTORY:
+                    query_dict["path"] = query_dict["path"].lstrip("/")
+            elif object_type == ObjectType.DIRECTORY and query_dict["path"] is not None:
                 object_id = directory
                 # remove leading and trailing slashes from SWHID directory path
-                query_dict["path"] = str(query_dict["path"]).strip("/")
+                query_dict["path"] = query_dict["path"].strip("/")
 
     # snapshot context
     if swhid_parsed.visit:
diff --git a/swh/web/common/typing.py b/swh/web/common/typing.py
--- a/swh/web/common/typing.py
+++ b/swh/web/common/typing.py
@@ -3,17 +3,13 @@
 # License: GNU Affero General Public License version 3, or any later version
 # See top-level LICENSE file for more information
 
-from typing import Any, Dict, List, Optional, TypeVar, Union
+from typing import Any, Dict, List, Optional, TypeVar
 
 from typing_extensions import TypedDict
 
-from django.http import QueryDict
-
 from swh.core.api.classes import PagedResult as CorePagedResult
 from swh.model.swhids import ObjectType
 
-QueryParameters = Union[Dict[str, Any], QueryDict]
-
 
 class OriginInfo(TypedDict):
     url: str
@@ -103,7 +99,7 @@
     """optional origin info associated to the snapshot"""
     origin_visits_url: Optional[str]
     """optional origin visits URL"""
-    query_params: QueryParameters
+    query_params: Dict[str, Optional[str]]
     """common query parameters when browsing snapshot content"""
     release: Optional[str]
     """optional release name set when browsing snapshot in that scope"""
diff --git a/swh/web/common/utils.py b/swh/web/common/utils.py
--- a/swh/web/common/utils.py
+++ b/swh/web/common/utils.py
@@ -7,7 +7,7 @@
 import functools
 import os
 import re
-from typing import Any, Callable, Dict, List, Optional
+from typing import Any, Callable, Dict, List, Mapping, Optional
 import urllib.parse
 
 from bs4 import BeautifulSoup
@@ -34,7 +34,6 @@
     MAILMAP_ADMIN_PERMISSION,
 )
 from swh.web.common.exc import BadInputExc, sentry_capture_exception
-from swh.web.common.typing import QueryParameters
 from swh.web.config import SWH_WEB_SERVER_NAME, get_config, search
 
 SWH_WEB_METRICS_REGISTRY = CollectorRegistry(auto_describe=True)
@@ -67,7 +66,7 @@
 def reverse(
     viewname: str,
     url_args: Optional[Dict[str, Any]] = None,
-    query_params: Optional[QueryParameters] = None,
+    query_params: Optional[Mapping[str, Optional[str]]] = None,
     current_app: Optional[str] = None,
     urlconf: Optional[str] = None,
     request: Optional[HttpRequest] = None,
@@ -95,13 +94,13 @@
         viewname, urlconf=urlconf, kwargs=url_args, current_app=current_app
     )
 
+    params: Dict[str, str] = {}
     if query_params:
-        query_params = {k: v for k, v in query_params.items() if v is not None}
+        params = {k: v for k, v in query_params.items() if v is not None}
 
-    if query_params and len(query_params) > 0:
+    if params:
         query_dict = QueryDict("", mutable=True)
-        for k in sorted(query_params.keys()):
-            query_dict[k] = str(query_params[k])
+        query_dict.update(dict(sorted(params.items())))
         url += "?" + query_dict.urlencode(safe="/;:")
 
     if request is not None:
diff --git a/swh/web/misc/iframe.py b/swh/web/misc/iframe.py
--- a/swh/web/misc/iframe.py
+++ b/swh/web/misc/iframe.py
@@ -139,7 +139,7 @@
                     "swhid-iframe",
                     url_args={"swhid": str(root_dir_swhid)},
                     query_params={
-                        "focus_swhid": focus_swhid
+                        "focus_swhid": str(focus_swhid)
                         if focus_swhid != root_dir_swhid
                         else None
                     },
@@ -165,7 +165,7 @@
                     "url": reverse(
                         "swhid-iframe",
                         url_args={"swhid": str(dir_swhid)},
-                        query_params={"focus_swhid": focus_swhid},
+                        query_params={"focus_swhid": str(focus_swhid)},
                     ),
                 }
             )